624993605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 805939200

約数和(自身を除く): 180945595

約数列:

[1, 5, 23, 43, 115, 211, 215, 599, 989, 1055, 2995, 4853, 4945, 9073, 13777, 24265, 25757, 45365, 68885, 126389, 128785, 208679, 592411, 631945, 1043395, 2906947, 2962055, 5434727, 14534735, 27173635, 124998721, 624993605]

約数ペア:

[(1, 624993605), (5, 124998721), (23, 27173635), (43, 14534735), (115, 5434727), (211, 2962055), (215, 2906947), (599, 1043395), (989, 631945), (1055, 592411), (2995, 208679), (4853, 128785), (4945, 126389), (9073, 68885), (13777, 45365), (24265, 25757)]